The GERT network can solve not only the project time optimization problem in making bridge construction plan, but also the cost optimization in the limit of proper project time and resource.
随机网络不仅可以解决桥梁施工计划的工期优化问题，而且在合理工期和限定资源条件下，可进行施工成本优化。
Wireless network, as an important part of network plan and optimization, has been asked for more and more.
无线网络作为网络规划和优化的重要组成部分，对其则提出了更高的要求。
There are two problems in optimization of network plan at the moment: first, no unified mathematical model is found on sequence optimization of optimal technology of network plan ;
目前网络计划优化的问题有两个：第一，网络计划优化技术中的顺序优化没有统一的数学模型；
There are two problems in optimization of network plan at the moment: first, no unified mathematical model is found on sequence optimization of optimal technology of network plan ;
目前网络计划优化的问题有两个：第一，网络计划优化技术中的顺序优化没有统一的数学模型；
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